22629149 has 2 divisors, whose sum is σ = 22629150. Its totient is φ = 22629148.

The previous prime is 22629143. The next prime is 22629157. The reversal of 22629149 is 94192622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 100 = 4757^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 22629149 - 2¹⁶ = 22563613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22629143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11314574 + 11314575.

It is an arithmetic number, because the mean of its divisors is an integer number (11314575).

Almost surely, 2^22629149 is an apocalyptic number.

It is an amenable number.

22629149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22629149 is an equidigital number, since it uses as much as digits as its factorization.

22629149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 22629149 is about 4757.0105108145. The cubic root of 22629149 is about 282.8499289656.

It can be divided in two parts, 2262 and 9149, that added together give a palindrome (11411).

The spelling of 22629149 in words is "twenty-two million, six hundred twenty-nine thousand, one hundred forty-nine".